linux-kernel - [PATCH][RESEND] devres: support addresses greater than an unsigned long via dev

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Message-ID: <Pine.LNX.4.64.0804291025140.25102@blarg.am.freescale.net>
Date:	Tue, 29 Apr 2008 10:25:48 -0500 (CDT)
From:	Kumar Gala <galak@...nel.crashing.org>
To:	Greg KH <greg@...ah.com>
cc:	Tejun Heo <htejun@...il.com>, Jeff Garzik <jgarzik@...ox.com>,
	Andrew Morton <akpm@...l.org>,
	"linuxppc-dev@...abs.org list" <linuxppc-dev@...abs.org>,
	lkml Mailing List <linux-kernel@...r.kernel.org>,
	Jesse Barnes <jbarnes@...tuousgeek.org>
Subject: [PATCH][RESEND] devres: support addresses greater than an unsigned
 long via dev_ioremap

Use a resource_size_t instead of unsigned long since some arch's are
capable of having ioremap deal with addresses greater than the size of a
unsigned long.

Signed-off-by: Kumar Gala <galak@...nel.crashing.org>
---

For GregKH to actually get the patch.

- k

 include/linux/io.h |    4 ++--
 lib/devres.c       |    4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/io.h b/include/linux/io.h
index e3b2dda..831f57c 100644
--- a/include/linux/io.h
+++ b/include/linux/io.h
@@ -58,9 +58,9 @@ static inline void devm_ioport_unmap(struct device *dev, void __iomem *addr)
 }
 #endif

-void __iomem * devm_ioremap(struct device *dev, unsigned long offset,
+void __iomem * devm_ioremap(struct device *dev, resource_size_t offset,
 			    unsigned long size);
-void __iomem * devm_ioremap_nocache(struct device *dev, unsigned long offset,
+void __iomem * devm_ioremap_nocache(struct device *dev, resource_size_t offset,
 				    unsigned long size);
 void devm_iounmap(struct device *dev, void __iomem *addr);
 int check_signature(const volatile void __iomem *io_addr,
diff --git a/lib/devres.c b/lib/devres.c
index edc27a5..26c87c4 100644
--- a/lib/devres.c
+++ b/lib/devres.c
@@ -20,7 +20,7 @@ static int devm_ioremap_match(struct device *dev, void *res, void *match_data)
  *
  * Managed ioremap().  Map is automatically unmapped on driver detach.
  */
-void __iomem *devm_ioremap(struct device *dev, unsigned long offset,
+void __iomem *devm_ioremap(struct device *dev, resource_size_t offset,
 			   unsigned long size)
 {
 	void __iomem **ptr, *addr;
@@ -49,7 +49,7 @@ EXPORT_SYMBOL(devm_ioremap);
  * Managed ioremap_nocache().  Map is automatically unmapped on driver
  * detach.
  */
-void __iomem *devm_ioremap_nocache(struct device *dev, unsigned long offset,
+void __iomem *devm_ioremap_nocache(struct device *dev, resource_size_t offset,
 				   unsigned long size)
 {
 	void __iomem **ptr, *addr;
-- 
1.5.4.1

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